Today’s Morning Brief is brought to you by The Canadian Deltaport Project. Trade through the Asia Pacific Gateway helps create jobs and growth that support Canada’s quality of life. We must decide how and where we build that capacity, and who will pay for it. There is a better way.

Good morning, readers.

The Canada-United States-Mexico-Agreement (CUSMA) was front and centre in the House on Tuesday, as Foreign Affairs Minister Chrystia Freeland kicked off second-reading debate on Bill C-100, legislation that would make the necessary changes to Canadian laws to implement the tripartite deal.

Prime Minister Justin Trudeau clapped back at conservative premiers in Alberta, Saskatchewan, Manitoba, Ontario and New Brunswick, and the non-partisan premier of the Northwest Territories, who penned an open letter calling on him to scrap the legislation. He accused them of “playing games” with national unity, saying “What we will not do is accept the premiers’ saying ‘There is a threat to national unity if we don’t get our way,'” Trudeau said. “That is not the way to hold this country together.”

We’ll have to wait until June 25 to learn the identities of the 13 social media influencers tapped by Elections Canada to encourage young Canadians to vote in the October federal election. The agency announced previously it will be spending $650,000 on the campaign, which includes Canadian Olympic athletes, television personalities, singer-songwriters and YouTubers.

According to a new poll from Forum Research shared with the Toronto Star, three federal party leader is getting a thumbs up from Canadians. Only Green Party Leader Elizabeth May had a positive net approval rating — with 44 per approving her performance and 22 per cent disapproving.